"He was going to hold me in place until he was done with me," she recalls. "He got his little chuckle out of me turning red."

Images: Mayor Under Fire

It wasn’t until McKenzie heard the mayor’s address to the city council on Friday that she decided to file a legal claim.

NBC 7 has obtained the claim against the city of San Diego and Filner filed by attorney Dan Gilleon on Aug. 26.

She has decided to file a claim for $500,000 alleging sexual harassment involving a supervisor, negligence of the city to prevent it and gender violence – that the mayor battered her for sexual gratification.

“It was a slap in the face to all women who have filed or who have not filed or just women in general,” McKenzie told NBC 7 on Monday.

McKenzie reported the incident to people within the city and on July 16 filed a complaint with the Equal Employment Opportunity office according to her attorney.

She also contacted state and federal authorities as well as with the San Diego County Sheriff's Department's victim hotline.

City Attorney Jan Goldsmith was not surprised to learn of the claim Monday morning. “We had investigators all over City Hall,” Goldsmith told NBC 7 News. “We were aware of this.”

Goldsmith said the case is among the category of claims that should the city be on the hook, his office will be able to seek reimbursement from Filner should they choose to do so.

More than a dozen women have spoken out publicly alleging sexual harassment or other unwanted sexual advances by Filner during his time as mayor and as U.S. Congressman.